| 1 | // ========== Copyright Header Begin ========================================== |
| 2 | // |
| 3 | // OpenSPARC T2 Processor File: xpcs_util.vr |
| 4 | // Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved |
| 5 | // 4150 Network Circle, Santa Clara, California 95054, U.S.A. |
| 6 | // |
| 7 | // * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 8 | // |
| 9 | // This program is free software; you can redistribute it and/or modify |
| 10 | // it under the terms of the GNU General Public License as published by |
| 11 | // the Free Software Foundation; version 2 of the License. |
| 12 | // |
| 13 | // This program is distributed in the hope that it will be useful, |
| 14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | // GNU General Public License for more details. |
| 17 | // |
| 18 | // You should have received a copy of the GNU General Public License |
| 19 | // along with this program; if not, write to the Free Software |
| 20 | // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 21 | // |
| 22 | // For the avoidance of doubt, and except that if any non-GPL license |
| 23 | // choice is available it will apply instead, Sun elects to use only |
| 24 | // the General Public License version 2 (GPLv2) at this time for any |
| 25 | // software where a choice of GPL license versions is made |
| 26 | // available with the language indicating that GPLv2 or any later version |
| 27 | // may be used, or where a choice of which version of the GPL is applied is |
| 28 | // otherwise unspecified. |
| 29 | // |
| 30 | // Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 31 | // CA 95054 USA or visit www.sun.com if you need additional information or |
| 32 | // have any questions. |
| 33 | // |
| 34 | // ========== Copyright Header End ============================================ |
| 35 | #include <vera_defines.vrh> |
| 36 | #include "mac_defines.vri" |
| 37 | #include "xpcs_memory_map.vri" |
| 38 | #include "pio_driver.vrh" |
| 39 | #include "mac_pio_class.vrh" |
| 40 | #include "pcs_memory_map.vri" |
| 41 | #include "pcs_util.vrh" |
| 42 | |
| 43 | extern mac_pio_cl mac_pio_class; |
| 44 | |
| 45 | class xpcs_util_class { |
| 46 | |
| 47 | pcs_util_class pcs_util_cl; |
| 48 | |
| 49 | task new(); |
| 50 | task xpcs_init ( integer iport); |
| 51 | function bit[39:0] get_xpcs_reg_base(integer iport); |
| 52 | task link_up_rdy (integer iport); |
| 53 | |
| 54 | } |
| 55 | |
| 56 | task xpcs_util_class :: new(){ |
| 57 | |
| 58 | pcs_util_cl = new(); |
| 59 | } |
| 60 | |
| 61 | |
| 62 | task xpcs_util_class :: xpcs_init ( integer iport ) { |
| 63 | |
| 64 | bit [39:0] base_addr; |
| 65 | bit [31:0] rd_data; |
| 66 | integer count = 0; |
| 67 | |
| 68 | base_addr = get_xpcs_reg_base(iport); |
| 69 | |
| 70 | |
| 71 | mac_pio_class.mac_pio_wr(base_addr + XPCS_CONTROL1, 32'h0000_8000); |
| 72 | printf("The address is %0h\n",base_addr + XPCS_CONTROL1); |
| 73 | |
| 74 | while (rd_data[15] != 1'b0) { |
| 75 | mac_pio_class.mac_pio_rd(base_addr + XPCS_CONTROL1, rd_data); |
| 76 | count++; |
| 77 | if(count > 100) { |
| 78 | printf("ERROR : XPCS SW_RESET FAILED\n"); |
| 79 | } |
| 80 | repeat(20) @(CLOCK); |
| 81 | } |
| 82 | repeat(4) @(CLOCK); |
| 83 | |
| 84 | printf("XPCS Reseted successfully\n"); |
| 85 | |
| 86 | } |
| 87 | |
| 88 | task xpcs_util_class :: link_up_rdy(integer iport){ |
| 89 | integer count = 0; |
| 90 | integer link_up = 0; |
| 91 | bit [31:0] r_data; |
| 92 | bit [39:0] base_addr; |
| 93 | integer mac_speed0,mac_speed1; |
| 94 | |
| 95 | if ( get_plus_arg(CHECK, "MAC_SPEED0=") ) |
| 96 | { |
| 97 | mac_speed0 = get_plus_arg(NUM, "MAC_SPEED0") ; |
| 98 | } |
| 99 | if ( get_plus_arg(CHECK, "MAC_SPEED1=") ) |
| 100 | { |
| 101 | mac_speed1 = get_plus_arg(NUM, "MAC_SPEED1") ; |
| 102 | } |
| 103 | |
| 104 | if(iport == 0){ |
| 105 | if(mac_speed0 == 10000){ |
| 106 | base_addr = get_xpcs_reg_base(0); |
| 107 | while (!link_up) { |
| 108 | if(count != 0) |
| 109 | repeat (100) @(posedge CLOCK); |
| 110 | mac_pio_class.mac_pio_rd(base_addr + XPCS_STATUS1, r_data); |
| 111 | if(r_data[2]) { |
| 112 | count = 0; |
| 113 | link_up = 1; |
| 114 | printf("INFO : link is up\n"); |
| 115 | } else { |
| 116 | count++; |
| 117 | if(count > 500) { |
| 118 | printf("ERROR : link_up didn't go high after 50000 clocks\n"); |
| 119 | link_up = 1; |
| 120 | } else link_up = 0; |
| 121 | } |
| 122 | } |
| 123 | } |
| 124 | else if(mac_speed0 == 1000){ |
| 125 | base_addr = pcs_util_cl.get_pcs_reg_base(0); |
| 126 | mac_pio_class.mac_pio_rd(base_addr + PCS_DATAPATH_MODE, r_data); |
| 127 | if(r_data[1] == 0) { |
| 128 | while (!link_up) { |
| 129 | if(count != 0) |
| 130 | repeat (100) @(posedge CLOCK); |
| 131 | mac_pio_class.mac_pio_rd(base_addr + PCS_MII_STATUS, r_data); |
| 132 | if(r_data[2] == 1'b1) { |
| 133 | count = 0; |
| 134 | link_up = 1; |
| 135 | printf("INFO : link is up\n"); |
| 136 | } else { |
| 137 | count++; |
| 138 | if(count > 500) { |
| 139 | printf("ERROR : link_up didn't go high after 50000 clocks\n"); |
| 140 | link_up = 1; |
| 141 | } else link_up = 0; |
| 142 | } |
| 143 | } |
| 144 | } |
| 145 | else |
| 146 | printf("not checking for link since in RGMII mode"); |
| 147 | } |
| 148 | } |
| 149 | if(iport == 1){ |
| 150 | if(mac_speed1 == 10000){ |
| 151 | base_addr = get_xpcs_reg_base(1); |
| 152 | while (!link_up) { |
| 153 | if(count != 0) |
| 154 | repeat (100) @(posedge CLOCK); |
| 155 | mac_pio_class.mac_pio_rd(base_addr + XPCS_STATUS1, r_data); |
| 156 | if(r_data[2]) { |
| 157 | count = 0; |
| 158 | link_up = 1; |
| 159 | printf("INFO : link is up\n"); |
| 160 | } else { |
| 161 | count++; |
| 162 | if(count > 500) { |
| 163 | printf("ERROR : link_up didn't go high after 50000 clocks\n"); |
| 164 | link_up = 1; |
| 165 | } else link_up = 0; |
| 166 | } |
| 167 | } |
| 168 | } |
| 169 | else if(mac_speed1 == 1000){ |
| 170 | base_addr = pcs_util_cl.get_pcs_reg_base(1); |
| 171 | mac_pio_class.mac_pio_rd(base_addr + PCS_DATAPATH_MODE, r_data); |
| 172 | if(r_data[1] == 0) { |
| 173 | while (!link_up) { |
| 174 | if(count != 0) |
| 175 | repeat (100) @(posedge CLOCK); |
| 176 | mac_pio_class.mac_pio_rd(base_addr + PCS_MII_STATUS, r_data); |
| 177 | if(r_data[2] == 1'b1) { |
| 178 | count = 0; |
| 179 | link_up = 1; |
| 180 | printf("INFO : link is up\n"); |
| 181 | } else { |
| 182 | count++; |
| 183 | if(count > 500) { |
| 184 | printf("ERROR : link_up didn't go high after 50000 clocks\n"); |
| 185 | link_up = 1; |
| 186 | } else link_up = 0; |
| 187 | } |
| 188 | } |
| 189 | } |
| 190 | else |
| 191 | printf("not checking for link since in RGMII mode"); |
| 192 | } |
| 193 | } |
| 194 | |
| 195 | } |
| 196 | |
| 197 | function bit[39:0] xpcs_util_class :: get_xpcs_reg_base(integer iport){ |
| 198 | |
| 199 | case(iport) { |
| 200 | 0: get_xpcs_reg_base = XPCS0_BASE; |
| 201 | 1: get_xpcs_reg_base = XPCS1_BASE; |
| 202 | default: error("Error: Invalid PORT (%0d) for get_xpcs_reg_base task\n",iport); |
| 203 | } |
| 204 | |
| 205 | } |
| 206 | |